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Hinged perforated face with screwdriver access to release
Long throw individually adjustable blades with 1 1/2" blades on 1 1/2" centers or 3" blades on 3" centers
Front blades are parallel to the shortest dimension
see 1560 Series * Tamper proof screws * Standard Color
4" Horizontal/Vertical Mount Fire Damper 2634-36X30 Step Down Ceiling Diffuser Please contact us for ah3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
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